Package de.iip_ecosphere.platform.connectors.opcuav1

Class DataItem

  • All Implemented Interfaces:
    de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery
    public class DataItem
extends java.lang.Object
implements de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery
    Represents a monitored, changed data item send to the ConnectorOutputTypeTranslator for detailed change data, but only if enabled through ModelAccess.setDetailNotifiedItem(boolean).
    Author:
    Holger Eichelberger, SSE

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private org.eclipse.milo.opcua.stack.core.types.builtin.Variant data  
      private java.lang.Object identifier  
      private de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query  

    • Constructor Summary

      Constructors 
      Constructor Description
      DataItem​(de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query)
      Creates a data item.
      DataItem​(java.lang.Object identifier, org.eclipse.milo.opcua.stack.core.types.builtin.Variant data)
      Creates a data item.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.eclipse.milo.opcua.stack.core.types.builtin.Variant getData()
      Returns the changed data.
      java.lang.Object getIdentifier()
      Returns the identifier in the model.
      de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery getQuery()
      Returns the query.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • query

        private de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query

      • data

        private org.eclipse.milo.opcua.stack.core.types.builtin.Variant data

      • identifier

        private java.lang.Object identifier

    • Constructor Detail

      • DataItem

        public DataItem​(de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query)
        Creates a data item.
        Parameters:
        query - the data trigger query

      • DataItem

        public DataItem​(java.lang.Object identifier,
                org.eclipse.milo.opcua.stack.core.types.builtin.Variant data)
        Creates a data item.
        Parameters:
        identifier - the data item identifier in the model, usually a string but who knows in Milo
        data - the new data

    • Method Detail

      • getData

        public org.eclipse.milo.opcua.stack.core.types.builtin.Variant getData()
        Returns the changed data.
        Returns:
        the changed data (may be null if getQuery() is specified)

      • getIdentifier

        public java.lang.Object getIdentifier()
        Returns the identifier in the model.
        Returns:
        the data item identifier in the model, usually a string but who knows in Milo (may be null if getQuery() is specified)

      • getQuery

        public de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery getQuery()
        Returns the query.
        Returns:
        the query (may be null if getData()/getIdentifier() are specified)